Davidson, E. A. (1888). A grammar of colouring: Applied to decorative painting and the arts (fourth edition.). Crosby Lockwood.
Lua i Stíl Chicago (17ú heag.)Davidson, Ellis A. A Grammar of Colouring: Applied to Decorative Painting and the Arts. fourth edition. London: Crosby Lockwood, 1888.
Lua MLA (9ú heag.)Davidson, Ellis A. A Grammar of Colouring: Applied to Decorative Painting and the Arts. fourth edition. Crosby Lockwood, 1888.
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